Hallo, the enclosed patch brings support for the latest Borland compiler to the same level as bcc 5.6.4 . I tested it against bcc 5.8.2, bcc 5.6.4, VC++ 8.0 and g++ 3.4.2 . Cheers, Nicola Musatti ******Index: compare.hpp =================================================================== RCS file: /cvsroot/boost/boost/boost/algorithm/string/compare.hpp,v retrieving revision 1.6 diff -d -u -r1.6 compare.hpp --- compare.hpp 6 Mar 2006 18:05:10 -0000 1.6 +++ compare.hpp 8 Apr 2006 07:41:10 -0000 @@ -67,7 +67,7 @@ #if defined(__BORLANDC__) && (__BORLANDC__ >= 0x560) && (__BORLANDC__ <= 0x564) && !defined(_USE_OLD_RW_STL) return std::toupper(Arg1)==std::toupper(Arg2); #else - return std::toupper(Arg1,m_Loc)==std::toupper(Arg2,m_Loc); + return std::toupper<T1>(Arg1,m_Loc)==std::toupper<T2>(Arg2,m_Loc); #endif } @@ -120,7 +120,7 @@ #if defined(__BORLANDC__) && (__BORLANDC__ >= 0x560) && (__BORLANDC__ <= 0x564) && !defined(_USE_OLD_RW_STL) return std::toupper(Arg1)<std::toupper(Arg2); #else - return std::toupper(Arg1,m_Loc)<std::toupper(Arg2,m_Loc); + return std::toupper<T1>(Arg1,m_Loc)<std::toupper<T2>(Arg2,m_Loc); #endif } @@ -173,7 +173,7 @@ #if defined(__BORLANDC__) && (__BORLANDC__ >= 0x560) && (__BORLANDC__ <= 0x564) && !defined(_USE_OLD_RW_STL) return std::toupper(Arg1)<=std::toupper(Arg2); #else - return std::toupper(Arg1,m_Loc)<=std::toupper(Arg2,m_Loc); + return std::toupper<T1>(Arg1,m_Loc)<=std::toupper<T2>(Arg2,m_Loc); #endif } Index: detail/case_conv.hpp =================================================================== RCS file: /cvsroot/boost/boost/boost/algorithm/string/detail/case_conv.hpp,v retrieving revision 1.2 diff -d -u -r1.2 case_conv.hpp --- detail/case_conv.hpp 11 May 2005 09:17:14 -0000 1.2 +++ detail/case_conv.hpp 8 Apr 2006 07:35:10 -0000 @@ -33,7 +33,7 @@ #if defined(__BORLANDC__) && (__BORLANDC__ >= 0x560) && (__BORLANDC__ <= 0x564) && !defined(_USE_OLD_RW_STL) return std::tolower( Ch); #else - return std::tolower( Ch, m_Loc ); + return std::tolower<CharT>( Ch, m_Loc ); #endif } private: @@ -53,7 +53,7 @@ #if defined(__BORLANDC__) && (__BORLANDC__ >= 0x560) && (__BORLANDC__ <= 0x564) && !defined(_USE_OLD_RW_STL) return std::toupper( Ch); #else - return std::toupper( Ch, m_Loc ); + return std::toupper<CharT>( Ch, m_Loc ); #endif } private: Index: detail/classification.hpp =================================================================== RCS file: /cvsroot/boost/boost/boost/algorithm/string/detail/classification.hpp,v retrieving revision 1.7 diff -d -u -r1.7 classification.hpp --- detail/classification.hpp 11 May 2005 09:17:14 -0000 1.7 +++ detail/classification.hpp 7 Apr 2006 07:45:49 -0000 @@ -46,7 +46,7 @@ return std::use_facet< std::ctype<CharT> >(m_Locale).is( m_Type, Ch ); } - #if defined(__BORLANDC__) && (__BORLANDC__ >= 0x560) && (__BORLANDC__ <= 0x564) && !defined(_USE_OLD_RW_STL) + #if defined(__BORLANDC__) && (__BORLANDC__ >= 0x560) && (__BORLANDC__ <= 0x582) && !defined(_USE_OLD_RW_STL) template<> bool operator()( char const Ch ) const {